diff --git a/ansible/group_vars/nimbus.sepolia.yml b/ansible/group_vars/nimbus.sepolia.yml
index 07d09ad..bd05d69 100644
--- a/ansible/group_vars/nimbus.sepolia.yml
+++ b/ansible/group_vars/nimbus.sepolia.yml
@@ -94,7 +94,7 @@ open_ports_list:
 
 nodes_layout:
   'linux-01.ih-eu-mda1.nimbus.sepolia':
-    - { start:  0, end:  25, validator_client: true }
-    - { start: 25, end:  50, validator_client: false, payload_builder: true  }
+    - { start:  0, end:  25, validator_client: true  }
+    - { start: 25, end:  50, validator_client: false, payload_builder: true }
     - { start: 50, end:  75, validator_client: false }
-    - { start: 75, end: 100, validator_client: false, nim_flags: '-d:json_rpc_websocket_package=websock' }
+    - { start: 75, end: 100, validator_client: false, payload_builder: true }